COMPTROL BEARING BLOCKS FOR
1.500 DIAMETER BALLSCREWS
Flange Mount
End View
Model
Shaft End
Model
Shaft End
Model
Shaft End
66-204-A
66-204-A1
Driven
Non-Driven
66-204-B
66-204-B1
Driven
Non-Driven
66-204-C
66-204-C1
Driven
Non-Driven
Note: For each Type A or A1 bearing block required, add .188" to ballscrew thread length.
Cut-Off Flange Mount
End View
Model
Shaft End
Model
Shaft End
Model
Shaft End
66-304-A
66-304-A1
Driven
Non-Driven
66-304-B
66-304-B1
Driven
Non-Driven
66-304-C
66-304-C1
Driven
Non-Driven
Note: For each Type A or A1 bearing block required, add .188" to ballscrew thread length.
Base Mount
End View
Model
Shaft End
Model
Shaft End
Model
Shaft End
66-404-A
66-404-A1
Driven
Non-Driven
66-404-B
66-404-B1
Driven
Non-Driven
66-404-C
66-404-C1
Driven
Non-Driven
Note: For each Type A or A1 bearing block required, add .188" to ballscrew thread length.
Standard Drive Extension
Mounting Hole Detail
Model Number Designation
66-X04-XX
Bearing Block
Note: Special lengths available.
Mounting
Base
Flange & Cut-Off Flange
A
5/8-11
7/16-20
B
1/2-13
3/8-16
C
0.875
0.656
Mounting Style
2 = Flange
3 = Cut-Off Flange
4 = Base
1.500 Diameter Ballscrew
Shaft End
Blank = Driven
1 = Non-Driven
Bearing Type
A = Radial
B = Duplex
C = Spaced
Notes
1. All dimensions in inches unless otherwise specified.
2. Refer to Page 3 for Nominal Load Capacities.
3. End journals must be machined per dimensions on Page 13.
4. Custom and metric bearing block assemblies and/or drive end journals
are available.
5. Dimensions and specifications subject to change without notice.
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